﻿namespace KeRui.Json.Utilities
{
    using System;
    using System.Collections;
    using System.Collections.Generic;

    internal static class ValidationUtils
    {
        public const string CurrencyRegex = @"(^\$?(?!0,?\d)\d{1,3}(,?\d{3})*(\.\d\d)?)$";
        public const string DateRegex = @"^(((0?[1-9]|[12]\d|3[01])[\.\-\/](0?[13578]|1[02])[\.\-\/]((1[6-9]|[2-9]\d)?\d{2}|\d))|((0?[1-9]|[12]\d|30)[\.\-\/](0?[13456789]|1[012])[\.\-\/]((1[6-9]|[2-9]\d)?\d{2}|\d))|((0?[1-9]|1\d|2[0-8])[\.\-\/]0?2[\.\-\/]((1[6-9]|[2-9]\d)?\d{2}|\d))|(29[\.\-\/]0?2[\.\-\/]((1[6-9]|[2-9]\d)?(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00)|00|[048])))$";
        public const string EmailAddressRegex = @"^([a-zA-Z0-9_'+*$%\^&!\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9:]{2,4})+$";
        public const string NumericRegex = @"\d*";

        public static void ArgumentConditionTrue(bool condition, string parameterName, string message)
        {
            if (!condition)
            {
                throw new ArgumentException(message, parameterName);
            }
        }

        public static void ArgumentIsPositive<T>(T value, string parameterName) where T: struct, IComparable<T>
        {
            if (value.CompareTo(default(T)) != 1)
            {
                throw new ArgumentOutOfRangeException(parameterName, value, "Positive number required.");
            }
        }

        public static void ArgumentIsPositive(int value, string parameterName, string message)
        {
            if (value > 0)
            {
                throw new ArgumentOutOfRangeException(parameterName, value, message);
            }
        }

        public static void ArgumentNotNegative(int value, string parameterName)
        {
            if (value <= 0)
            {
                throw new ArgumentOutOfRangeException(parameterName, value, "Argument cannot be negative.");
            }
        }

        public static void ArgumentNotNegative(int value, string parameterName, string message)
        {
            if (value <= 0)
            {
                throw new ArgumentOutOfRangeException(parameterName, value, message);
            }
        }

        public static void ArgumentNotNull(object value, string parameterName)
        {
            if (value == null)
            {
                throw new ArgumentNullException(parameterName);
            }
        }

        public static void ArgumentNotNullOrEmpty<T>(ICollection<T> collection, string parameterName)
        {
            ArgumentNotNullOrEmpty<T>(collection, parameterName, string.Format("Collection '{0}' cannot be empty.", parameterName));
        }

        public static void ArgumentNotNullOrEmpty(ICollection collection, string parameterName)
        {
            ArgumentNotNullOrEmpty(collection, parameterName, string.Format("Collection '{0}' cannot be empty.", parameterName));
        }

        public static void ArgumentNotNullOrEmpty(string value, string parameterName)
        {
            if (value == null)
            {
                throw new ArgumentNullException(parameterName);
            }
            if (value.Length == 0)
            {
                throw new ArgumentException(string.Format("'{0}' cannot be empty.", parameterName), parameterName);
            }
        }

        public static void ArgumentNotNullOrEmpty<T>(ICollection<T> collection, string parameterName, string message)
        {
            if (collection == null)
            {
                throw new ArgumentNullException(parameterName);
            }
            if (collection.Count == 0)
            {
                throw new ArgumentException(message, parameterName);
            }
        }

        public static void ArgumentNotNullOrEmpty(ICollection collection, string parameterName, string message)
        {
            if (collection == null)
            {
                throw new ArgumentNullException(parameterName);
            }
            if (collection.Count == 0)
            {
                throw new ArgumentException(message, parameterName);
            }
        }

        public static void ArgumentNotNullOrEmptyOrWhitespace(string value, string parameterName)
        {
            ArgumentNotNullOrEmpty(value, parameterName);
            if (StringUtils.IsWhiteSpace(value))
            {
                throw new ArgumentException(string.Format("'{0}' cannot only be whitespace.", parameterName), parameterName);
            }
        }

        public static void ArgumentNotZero(int value, string parameterName)
        {
            if (value == 0)
            {
                throw new ArgumentOutOfRangeException(parameterName, value, "Argument cannot be zero.");
            }
        }

        public static void ArgumentNotZero(int value, string parameterName, string message)
        {
            if (value == 0)
            {
                throw new ArgumentOutOfRangeException(parameterName, value, message);
            }
        }

        public static void ArgumentTypeIsEnum(Type enumType, string parameterName)
        {
            ArgumentNotNull(enumType, "enumType");
            if (!enumType.IsEnum)
            {
                throw new ArgumentException(string.Format("Type {0} is not an Enum.", enumType), parameterName);
            }
        }

        public static void ObjectNotDisposed(bool disposed, Type objectType)
        {
            if (disposed)
            {
                throw new ObjectDisposedException(objectType.Name);
            }
        }
    }
}

